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11157042 = 2313211003
BaseRepresentation
bin101010100011…
…111000110010
3202222211120210
4222203320302
510324011132
61035044550
7163555551
oct52437062
922884523
1011157042
1163304a6
1238a0756
132408400
1416a5d98
15ea5bcc
hexaa3e32

11157042 has 24 divisors (see below), whose sum is σ = 24164784. Its totient is φ = 3432624.

The previous prime is 11156989. The next prime is 11157053. The reversal of 11157042 is 24075111.

It is a happy number.

11157042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4488 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (1006866).

Almost surely, 211157042 is an apocalyptic number.

11157042 is an abundant number, since it is smaller than the sum of its proper divisors (13007742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11157042 is a wasteful number, since it uses less digits than its factorization.

11157042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11034 (or 11021 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11157042 is about 3340.2158612880. The cubic root of 11157042 is about 223.4513704888.

The spelling of 11157042 in words is "eleven million, one hundred fifty-seven thousand, forty-two".

Divisors: 1 2 3 6 13 26 39 78 169 338 507 1014 11003 22006 33009 66018 143039 286078 429117 858234 1859507 3719014 5578521 11157042